#include <iostream>
#include <fstream>
#define NMAX 100005
std::ifstream in("rmq.in");
std::ofstream out("rmq.out");

using namespace std;

int n,dp[20][NMAX],lg[NMAX],k,t,x,y,norm;

int main()
{
    in>>n>>t;
    for(int i=1;i<=n;i++)
    {
        in>>x;
        dp[0][i]=x;
    }
    for(int i=2;i<=n;i++)
    {
        lg[i]=lg[i/2]+1;
    }
    for(int j=1;j<=18;j++)
    {
        k=(1<<j);
        for(int i=0;i<=n-k+1;i++)
        {
            dp[j][i]=min(dp[j-1][i],dp[j-1][i+k/2]);
        }
    }
    for(int i=0;i<t;i++)
    {
        in>>x>>y;
        norm=lg[y-x];
        out<<min(dp[norm][x],dp[norm][y-(1<<norm)+1])<<"\n";
    }
    return 0;
}